def route_single_output(process: Process, gateway: Gateway,
event: ActiveEvent) -> List[Edge]:
default_edge = None
result_edge = None
edges = process.get_outgoing_edges(gateway.id)
for edge in edges:
if not edge.condition:
if default_edge is not None:
raise Exception(
f"Duplicate default edge for gateway {gateway.id}.")
default_edge = edge
continue
if eval_edge(edge.condition, event):
if result_edge is not None:
raise Exception(
f"Duplicate output edge for gateway {gateway.id}")
result_edge = edge
continue
if result_edge is None and default_edge is not None:
result_edge = default_edge
if not result_edge:
raise Exception(f"No branch matches on gateway {gateway.id}")
return [result_edge]
def route_all_outputs(process: Process, task: ProcessTask,
event: ActiveEvent) -> List[Edge]:
result_edges = []
edges = process.get_outgoing_edges(task.id)
for edge in edges:
# if we have no condition on the edge, we create an event for it
if edge.condition and not eval_edge(edge.condition, event):
continue
result_edges.append(edge)
return result_edges